weak·en/`wikən; ˈwiːkən/ v [I,T] 1 to become less powerful or physically strong, or to make someone or something do this 变弱，减弱，削弱: a country weakened by war 被战争削弱了的国家 2 to become less determined about something, or to make someone less determined （使）变得犹豫: Nothing could weaken her resolve. 什么都不能动摇她的决心。